H04N 23/81
For suppressing or minimising disturbance in the image signal generation
Official title: for suppressing or minimising disturbance in the image signal generation
H04N23/81 (For suppressing or minimising disturbance in the image signal generation) appears on 2,040 US grants and 2,345 published applications in this corpus.
Search patents in H04N- Granted patents
- 2,040
- Published applications
- 2,345
- Assignees
- 664
- Inventors
- 4,013
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 5 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 7 | 0 |
| 1994 | 8 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 13 | 0 |
| 1999 | 9 | 0 |
| 2000 | 11 | 0 |
| 2001 | 8 | 9 |
| 2002 | 9 | 31 |
| 2003 | 9 | 36 |
| 2004 | 12 | 31 |
| 2005 | 13 | 52 |
| 2006 | 20 | 35 |
| 2007 | 26 | 63 |
| 2008 | 39 | 111 |
| 2009 | 51 | 110 |
| 2010 | 63 | 114 |
| 2011 | 101 | 81 |
| 2012 | 125 | 88 |
| 2013 | 100 | 126 |
| 2014 | 100 | 101 |
| 2015 | 114 | 134 |
| 2016 | 130 | 113 |
| 2017 | 109 | 103 |
| 2018 | 83 | 129 |
| 2019 | 121 | 122 |
| 2020 | 125 | 115 |
| 2021 | 98 | 90 |
| 2022 | 101 | 108 |
| 2023 | 85 | 138 |
| 2024 | 95 | 135 |
| 2025 | 124 | 92 |
| 2026 | 68 | 78 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods and systems for enhancing low light frame in a multi camera system6 Oct 2026US 12,756,927 B2Samsung Electronics Co., Ltd.
- Image processing apparatus, inspection apparatus, review apparatus, image processing method, inspection method, and review method29 Sep 2026US 12,750,588 B2Lasertec Corporation
- Object detection system22 Sep 2026US 12,742,858 B2Magna Electronics Inc.
- Blind image denoising method, electronic device, and storage medium22 Sep 2026US 12,743,750 B2Zhejiang Uniview Technologies Co., Ltd.
- Electronic device and method of measuring blur information thereof15 Sep 2026US 12,737,863 B2Samsung Display Co., Ltd.
- Sensor cleaning assembly with rotating sensor window8 Oct 2026US 2026/0313243 A1Zoox, Inc.
- Detecting Optical Discrepancies In Captured Images1 Oct 2026US 2026/0301186 A1Skydio, Inc.
- Information processing device, information processing method, and recording medium1 Oct 2026US 2026/0303960 A1Sony Group Corporation
- Image processing apparatus and image processing method17 Sep 2026US 2026/0281541 A1Canon Kabushiki Kaisha
- Imaging system, imaging method, and recording medium10 Sep 2026US 2026/0268446 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Stray light correction method for imaging light and color measurement system421US 6,975,775 B2Radiant Imaging, Inc. · 2005
- Object detection and tracking system389US 8,027,029 B2Magna Electronics Inc. · 2011
- Method and apparatus for extended depth-of-field image restoration218US 8,131,097 B2Aptina Imaging Corporation · 2012
- Noise filter for Bayer pattern image data206US 7,369,165 B2STMicroelectronics S,r.l. · 2008
- Dual image capture processing199US 9,270,875 B2Broadcom Corporation · 2016